Granted Patent
Utility
US 4,387,070 · App. 06/227,158
Method for making a wheel with an integral tire
Inventors:
Joel C. Cunard, William H. Ziegler, Jr.
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Jan 22, 1981
Inventors
Joel C. Cunard
William H. Ziegler, Jr.
Assignee (at issue)
Brown Group Recreational Products, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.